Add json routes for extensions and themes

app/routes/e/$extensionSlug/$themeSlug[.json].ts

@@ -0,0 +1,47 @@
+import type { LoaderArgs } from '@remix-run/cloudflare';
+import { renderers } from '@vscodethemes/utilities';
+import { getQueryParam } from '~/utilities/requests';
+import kv from '~/clients/kv';
+
+const parseQuery = (request: Request) => {
+  const url = new URL(request.url);
+  const params = new URLSearchParams(url.search);
+  const language = getQueryParam(params, 'language') ?? 'javascript';
+  return { language };
+};
+
+export async function loader({ request, params }: LoaderArgs) {
+  const { extensionSlug, themeSlug } = params;
+
+  if (!extensionSlug) {
+    throw new Error('Missing extension');
+  }
+  if (!themeSlug) {
+    throw new Error('Missing theme');
+  }
+
+  const query = parseQuery(request);
+  const result = await kv.getExtensionWithTokens(extensionSlug, query.language);
+  if (!result) {
+    throw new Response('Not Found', { status: 404 });
+  }
+
+  const themeMatch = result.themes[themeSlug];
+  if (!themeMatch) {
+    throw new Response('Not Found', { status: 404 });
+  }
+
+  const svg = renderers.renderThemePreviewSvg({
+    theme: themeMatch.theme,
+    tokens: themeMatch.tokens,
+    language: query.language,
+    rounded: true,
+  });
+
+  return new Response(JSON.stringify(themeMatch), {
+    status: 200,
+    headers: {
+      'Content-Type': 'application/json',
+    },
+  });
+}

app/routes/e/$extensionSlug[.json].ts

@@ -0,0 +1,32 @@
+import type { LoaderArgs } from '@remix-run/cloudflare';
+import { renderers } from '@vscodethemes/utilities';
+import { getQueryParam } from '~/utilities/requests';
+import kv from '~/clients/kv';
+
+const parseQuery = (request: Request) => {
+  const url = new URL(request.url);
+  const params = new URLSearchParams(url.search);
+  const language = getQueryParam(params, 'language') ?? 'javascript';
+  return { language };
+};
+
+export async function loader({ request, params }: LoaderArgs) {
+  const { extensionSlug } = params;
+
+  if (!extensionSlug) {
+    throw new Error('Missing extension');
+  }
+
+  const query = parseQuery(request);
+  const result = await kv.getExtensionWithTokens(extensionSlug, query.language);
+  if (!result) {
+    throw new Response('Not Found', { status: 404 });
+  }
+
+  return new Response(JSON.stringify(result), {
+    status: 200,
+    headers: {
+      'Content-Type': 'application/json',
+    },
+  });
+}